Matches 1 - 50 out of 159 1 2 3 4 >


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US20150116884 ELECTRONIC SAFETY SHUTOFF WITH DUAL REDUNDANCY  
Electronic safety shutoff with dual redundancy is provided for use in combination with an electronic device to prevent fire, explosion, electrocution or shock. In one embodiment, four sensors,...
US20140185175 THERMAL PROTECTION DEVICE  
A thermal protection device includes a heating circuit that develops a first heat magnitude when exposed to a temperature below a threshold and further develops a second heat magnitude greater...
US20130235501 Electrical installation, installation kit, and branch off device  
An electrical installation with circuit integrity of an electric through line under fire impact. Branch off devices are connected to the through line, and branch lines are connected to the branch...
US20130100568 Information Handling System Power Supply Automated De-Rating For Power Output And Thermal Constraints  
An information handling system power supply dynamically adapts thermal and power output protection constraints based upon thermal and power output conditions measured at the power supply. In the...
US20130070382 UNIVERSAL THERMAL MODULE WIRING CONNECTOR  
A universal thermal wiring connector is configured for monitoring ambient and conducted temperatures on all wire and wire terminal connections external to a wiring device, including supply leads...
US20100315752 THERMAL PROTECTION CIRCUITS AND STRUCTURES FOR ELECTRONIC DEVICES AND CABLES  
Connectors for cables such as a 30-pin connector are provided. The connectors may have thermal protection circuits and may carry a power supply voltage and a ground voltage. The thermal protection...
US20110317324 Solar Module with Overheat Protection  
A photovoltaic module (10) with a plurality of solar cells (20) interconnected in serial and/or parallel arrangement within the module (10) is equipped with an overheat protection system (30) for...
US20150029631 PROTECTOR FOR ELECTRICITY SUPPLY CIRCUIT  
A protector for an electricity supply circuit includes: a power switch capable to switch between connection and disconnection of the electricity supply circuit; a controller configured to output a...
US20150116883 ELECTRIC-WIRE PROTECTION DEVICE  
An electric-wire protection device that protects an electric wire by cutting off power to the wire when its temperature is elevated above a predetermined value is presented. The device includes...
US20130128405 AUTOMATIC THERMAL SHUTDOWN CIRCUIT  
An automatic thermal shutdown circuit includes: a first temperature detection unit detecting a temperature equal to or above a pre-set first temperature to provide a first temperature detection...
US20130170088 Electromechanical Excess Temperature Protection Element  
The invention is an excess temperature protection element for photovoltaic installations. The element has a cylindrical housing closed off with two cover plates, encasing therein a plug-and-socket...
US20150233731 METHOD AND APPARATUS FOR MONITORING A CONDITION OF A METER  
A method and apparatus for monitoring the condition of a utility meter by obtaining a temperature value associated with the meter, determining whether the temperature value crosses a threshold,...
US20110249371 THERMAL PROTECTION CONTROL METHOD AND SYSTEM  
A thermal protection method and system of an Integrated Circuit (IC) are provided, which are applicable to a wireless terminal equipment. The method includes: measuring a temperature value of a...
US20150263507 OVERHEAT PROTECTION CIRCUIT AND VOLTAGE REGULATOR  
To provide an overheat protection circuit which is not affected by a leak current while being low in current consumption and good in detection accuracy, and a voltage regulator equipped with the...
US20090122454 AUGMENTATION OF AMBIENT TEMPERATURE AND FREE CONVECTION EFFECTS IN THERMAL CIRCUIT BREAKER TRIP CURVE APPROXIMATIONS  
An electrical overload protection system may be based on a solid state control system. A solid state switch may open responsively to commands for a solid-state controller. The controller may...
US20050036258 Power strips with embedded controllers  
A power strip with an embedded temperature/timing controller includes a set of primary receptacles and a set of secondary receptacles. The primary receptacles are connected to a power source just...
US20090251832 Over heating detection and interrupter circuit  
An over heating detection circuit and an interrupter circuit are disclosed for interrupting electrical power from a power source receptacle to a load upon the detection of an over heating...
US20130308240 ELECTRONIC LOAD FOR TESTING VOLTAGE STABILITY  
An electronic load for testing stability of a power voltage of a power source under test (PSUT) includes a voltage supply device, a field effect transistor (FET), an amplification circuit, and a...
US20080055811 Extension cord having a tempature indicator  
An extension cord comprising of a male electrical plug; at least two electrically conducting wires electrically connected to the male electrical plug, each electrically conducting wire having a...
US20120300353 NETWORK COMMUNICATION DEVICE  
A network communication device for generating dying gasp signals includes a voltage detection circuit, a charging and discharging circuit, a power supply circuit, a central processing unit (CPU),...
US20100134024 LED THERMAL MANAGEMENT SYSTEM AND METHOD  
A thermal management system for reducing or eliminating heat-mediated degradation of LED performance and/or operating life. The system may include a thermal controller arranged to respond to an...
US20120106015 BATTERY PACK  
A battery pack that can quickly transfer heat from a battery cell to a positive temperature coefficient (PTC) to quickly cut off a current when the battery cell is heated to a high temperature. A...
US20060050463 Heat detector for main board  
A heat detector for a main board at least comprises a current generation unit, a heat perception element, and an analog to digital converter (ADC). The current generation unit generates at least...
US20130015173 LOCKOUT CIRCUIT WITH MANUAL RESET FOR RECREATIONAL VEHICLE HEATER  
A lock-out circuit for preventing over-heating of a recreational vehicle heating system includes a temperature limit switch and a lock-out relay. The temperature limit switch is electrically...
US20090180232 TUBE INTEGRITY SAFETY SWITCH  
A safety device for disabling a positive pressure radiant tube heater upon failure of the heat exchanger and a corresponding method are described. This invention relates to the ability to detect a...
US20060044727 Thermal optical circuit interruption system  
Electrical circuits are interrupted in response to temperature transients of the electrical conductors of the circuit. Temperature excursions are sensed using a thermo optical device. The circuit...
US20050146824 Active Safety Circuit with Loads Protected by Solid State Relays  
An active safety circuit with loads protected by solid state relays comprising several solid state relays (1, 2, 3) supplying loads, controlled in turn from a microcontroller (4) for opening said...
US20140340802 Detection Of Active-Material Overheat Conditions Without Temperature Sensor  
A system, for use in protecting an active-material actuator from overheating without using a temperature sensor. The system includes an active material being transformable between a first state...
US20130050878 DIFFERENTIAL TEMPERATURE MONITORING OF ELECTRICAL DEVICES  
Systems, methods and devices for monitoring temperature are presented herein. A method of monitoring temperature in a system, such as a capacitor bank, is disclosed. The method may include:...
US20080084645 EMERGENCY SOLAR POWER SUPPLY  
The object of this application is a solar power supply designed to furnish sinusoidal varying alternating current to a load under normal and emergency conditions. The machine performs at least...
US20090168285 CPU POWER CONTROL CIRCUIT  
A CPU power control circuit includes a temperature detection circuit, a power supply circuit and a discharge circuit. The power supply circuit is connected to the temperature detection circuit, a...
US20110058298 Detecting and Preventing Overheating in Power Connectors  
A method and apparatus directed to detecting and preventing excessive heating in power connectors is disclosed. In one embodiment, a system includes a power connector having an array of pins. A...
US20120008245 SECONDARY THERMAL SENSOR FOR PRIMARY CONDUCTORS  
A thermal sensing system for providing thermal protection to an electronic circuit breaker that does not require any additional components. The layout of the conductive traces on the printed...
US20110310522 TEMPERATURE PROTECTION CIRCUIT  
A temperature protection circuit includes a detection circuit, a comparison circuit, a switching circuit, and a control circuit. When the temperature of an electronic device is below a preset...
US20090052105 Thermal Management within Mobile RFID Readers through the Application of Temperature Governed Variable Non-Emissive Intervals  
A thermal management system and method to control temperature in an RFID reader is described herein. In particular, by inserting variable periods of inactivity (or latency) at the beginning or at...
US20090080130 AUTOMOTIVE OVERCURRENT PROTECTION  
Overcurrent is prevented in an automotive vehicle based on sensing at least one operating condition. An overcurrent threshold is determined based on characteristics of the load and on the sensed...
US20130247778 ENHANCED SAFETY FOR ELECTRICAL APPLIANCES SUCH AS TOASTERS  
Enhanced safety for an electrical appliance is provided by a circuit arrangement which removes power from a portion of the appliance, which if activated, could result in potentially dangerous...
US20100315753 CIRCUIT PROTECTION DEVICE FOR PHOTOVOLTAIC SYSTEMS  
A circuit protection device for protecting a photovoltaic (PV) system from an overcurrent condition. The circuit protection device includes a first electrode electrically connectable to a first...
US20080008910 PROTECTIVE CIRCUIT MODULE FOR SECONDARY BATTERY AND BATTERY PACK USING THE SAME  
A protective circuit module for a secondary battery. The protective circuit module includes a circuit board. At least one protection control circuit element for preventing overcharge and...
US20130135782 VARIABLE PRECISION THERMAL SENSOR  
A high accuracy on-chip thermal sensor includes an integrated circuit and sensing elements. The thermal sensor finds application in various mobile and battery powered devices and includes a...
US20050270716 Hybrid relay  
The invention provides a hybrid relay generating low electric noise used for controlling the on/off of an electrical equipment. A hybrid relay 30 inserted to a line L supplying power to a load 20...
US20070139842 Safety lug suitable for the connection to a current outlet  
A plug adapted to fit in a standard electrical outlet and supply power through a cord to an electrical device is provided with a thermostat and bistable resettable switch. When one of the plug's...
US20070274016 Circuit arrangement for overtemperature detection  
The invention relates to a circuit arrangement for detecting the overtemperature of a semiconductor body. The arrangement comprises at least one field effect transistor, having a parasitic diode,...
US20100246084 Control circuit  
A control circuit includes a voltage-dividing resistor connected to a voltage input terminal, at least one thermal breaker series-connected between the voltage-dividing resistor and the ground and...
US20070153443 Method and apparatus for preemptively detecting fan failure in an electronic system  
A method for preemptively detecting fan failure is provided. The method may include measuring at least one parameter associated with the fan, such as sound, wobble, smoke, or the like, and...
US20100277325 ELECTRICAL FIRE PREVENTION FROM OVER-TEMPERATURE CONDITIONS  
An electrical device including a heat sensing interrupter to enable a load to be selectively coupled to or disconnected from a power source in accordance with a level of a sensed temperature...
US20120194958 Three-Function Reflowable Circuit Protection Device  
A circuit protection device includes a substrate with first and second electrodes connected to the circuit to be protected. The circuit protection device also includes a heater element between the...
US20060044728 Secondary protective element for secondary battery  
A secondary protective element includes: a functional element; a lead plate arranged on least one of upper and lower surfaces of the functional element; and at least one bending section arranged...
US20130088832 THERMAL PROTECTION CIRCUIT AND ELECTRONIC DEVICE  
A thermal protection circuit includes a temperature detecting circuit, a comparing circuit, and a switching circuit. The temperature detecting circuit senses an internal temperature of the...
US20070132416 Sprayer thermal protection  
In an electric airless sprayer (16), as the motor (14) temperature approaches allowable limits, several performance cutbacks can be used to prevent overheating. The preferred method is to...

Matches 1 - 50 out of 159 1 2 3 4 >